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Lectures PDFs of slides are best viewed in Adobe Acrobat, rather than in your browser. Short Course Visualizing Model Inference and Robustness This is a 9-hour short course version of the full Data Visualization course; the lectures for the full term course are below. Students taking the short course will also need these additional resources: Topic 1 Topic 2 Principles for the Visual Display of Scientific Information Topic 3 Cognitive Issues in Visualization Topic 4 In the first part of the lecture, we will consider examples from ggplot2 collected in this R script, which relies on this dataset. In the second half of the lecture, time permitting, we will work through an R script that uses grid graphics to solve a basic task, showing confidence intervals around a regression line using this dataset. Finally, a more advanced grid graphics script replaces ticks with gridlines and packs the grid graphics code inside a more general and usable function, contained in this required helper file. The final graphic can be viewed here. Interested students can find detailed instructions for downloading, installing, and learning my recommended software for quantitative social science here. Focus on steps 1.1 and 1.3 for now, and then, optionally, step 1.2. Topic 5 Exploratory Data Analysis: Between Data & Model Topic 6 Download instructions for the tile package can be found under the Software tab at left. We will discuss three examples in detail: Topic 7 Interactive Visual Displays with R + Shiny The Shiny package makes it easy to convert your R code and graphics, including those made with the tile package, into interactive displays for the web. We’ll work through the written Shiny tutorial at the bottom of this page. We will discuss several other examples in class, including this example from your instructor using tile and Shiny to show who got the most medals in the Olympics using different medal aggregation formulas. The underlying code for the example is in this zip archive; feel free to study the code and come to class with questions. Topic 8 Advanced Latex for Scientific Typesetting Time permitting, we will consider the use of modern Latex typesetting tools, especially Xetex and the fontspec package. We’ll discuss my caxetexFree stylesheet (manual; .sty file). Students new to Latex should read the Not So Short Introduction to Latex first. Gallery 1 Gallery 2 Maps as Visual Displays of Information Gallery 3 Gallery 4 Grayscale Images of Continuous Data Gallery 5 Gallery 6 Heatmaps for Visualizing Continuous Dyadic Data Gallery 7 Ternary Plots for Compositional Data Analysis Student Assignments Due in class 22 January 2019 You will need these data. Due in class 12 February 2019 Due in class 14 March 2019 Breakout Group Individual memo due before group meets; Group memo due by 20 February Students will join a small group to discuss a visual display problem of common interest; creation and organization of these groups to be coordinated through the web. Students will write a 2-5 page memo before the first group meeting, and each group will write a 5-8+ page essay for the class on what they have learned, to be distributed by 25 February. Groups will answer questions from the class during the week of 25 February. See the syllabus for further details. Final Poster Presented during the final three to five classes On an assigned day during the last two weeks of the course, each student will present a poster applying the tools learned in class to their own research. Alternatively, students can take an article published in their field and show how better visuals would either more clearly convey the findings or cast doubt on them. The final presentation may address problems raised in the breakout session or problem sets, but it is usually more fruitful for students to tackle a new problem. |
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